查询词典 lasers

In recent years lasers have found a wide variety of practical applications.

在最近几年，激光已经获得广泛的实际应用。

Four laser beams as 40K and 87Rb cooling and repump lights are obtained by using acoustic optic modulators to offset the frequencies from the three ECDL lasers. Four light beams with the different frequencies are injected into four slave lasers for injection locking, then Rb cooling light, K cooling light and K repump light are injected into a semiconductor tapered amplifier in a master oscillator-power configuration.

采用三台外腔光栅反馈半导体激光器、四台注入锁定激光器和一台半导体激光放大器组成激光系统，三台外腔光栅反馈半导体激光器通过声光调制器产生四束光，分别作为40K和87Rb原子的冷却光和再抽运光，四束不同频率成份的激光分别注入锁定四台从激光器，然后Rb cooling光、K cooling光和K repump光再同时注入半导体激光放大器进行放大。

Finally, possible thermal lensing effects in ion gas lasers and other lasers are briefly discussed.

最后，简单地讨论了离子气体激光器和某些其它激光器中的可能热透镜效应。

ABSTRACT Erbium-doped fiber laser has attracted much more attentions for its greatly potential application. It upbuilds good theory and experimental foundation for the application of erbium-doped fiber lasers in optic communication, optic detection etc. to study control and synchronization of chaotic erbium-doped fiber lasers.

掺铒光纤激光器因其在光通讯等领域具有广阔的应用前景而受到国内外广大科技工作者的重视，掺铒光纤激光器的混沌/超混沌及其控制与同步的研究更为其在光学保密通讯、光学检测等领域的应用奠定了良好的理论和实验基础。

Since fiber lasers have significant advantages comparing with other's solid lasers in size,weight and heat dissipation,a method of fiber laser as a weapon is presented.

由于光纤激光器较之其他固体激光器在体积、重量、散热等方面有明显的优势，故提出了一种实现武器级光纤激光器的方法。

Far-infrared interferometer is widely used for diagnosing plasma electron density in tokamaks. The study of Sub-millimeter lasers has become more and more important as the light source of the interferometer. The DCN laser has the highest specific output power among known sub-millimeter electric-discharge lasers. In this M.

远红外激光干涉仪已经成为高温等离子体诊断技术中的常规装置，而作为干涉仪光源的远红外激光器是不可缺少的一个研究对象，在所有用直流辉光放电激励的激光器中，DCN激光器的输出功率是最大的。

ABSTRACT Titanium-doped sapphire laser is a new type of tunable solid-state laser and can be used for many areas. In this dissertation, after discussing the development and application of Ti: sapphire lasers in detail, we have made theoretical and experimental studies of continuous wave , quasi-continuous wave and selfmode-locking Ti: sapphire lasers.

掺钛蓝宝石激光器是一种用途广泛的新型可调谐固体激光器，本文在详细论述其发展状况和应用前景之后，对连续、准连续及自锁模运转掺钛蓝宝石激光器。。。

In the membrane structure, we demonstrated the basic photonic crystal lasers and the 12-fold quasi-periodic photonic crystal lasers.

我们在对称的薄膜结构上做了许多种不同设计的光子晶体元件去研究。

Based on the diffusive equation of incoherent-feedback random lasers,whose gain is modified by adding a saturation factor,the evolution of the emitted light intensity in two-photon pumping random lasers varying with time is studied by use of finite difference method.

引言从20世纪90年代开始，人们对光在增益无序介质中与介质相互作用而产生的受激辐射现象的研究表现出了极大的兴趣[1—11]。实验上，国内外的学者们在不同的随机介质中观测到了光的放大。

The InGaAs/GaAs/AlGaAs strained layer quantum well lasers were grown by molecular beam epitaxy. Ridge waveguide InGaAs/GaAs/AlGaAs strained layer quantum well lasers operating in the fundamental transverse mode up to 140 mW at a wavelength of 980 nm were fabricated.

利用分子束外延生长了InGaAs/GaAs/AlGaAs应变量子阱激光器材料并研制出基横模输出功率大于140 mW，激射波长为980 nm的脊形波导应变量子阱激光器，其微分量子效率为0.8 W/A，垂直和平行结平面方向远场发散角分别为28°和6.8°。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。